1012004203 has 12 divisors (see below), whose sum is σ = 1246479192. Its totient is φ = 816406080.

The previous prime is 1012004179. The next prime is 1012004261. The reversal of 1012004203 is 3024002101.

It is not a de Polignac number, because 1012004203 - 2²¹ = 1009907051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012004003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606613 + ... + 608278.

It is an arithmetic number, because the mean of its divisors is an integer number (103873266).

Almost surely, 2^1012004203 is an apocalyptic number.

1012004203 is a deficient number, since it is larger than the sum of its proper divisors (234474989).

1012004203 is a wasteful number, since it uses less digits than its factorization.

1012004203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214922 (or 1214915 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012004203 is about 31812.0135011917. The cubic root of 1012004203 is about 1003.9854957217.

Adding to 1012004203 its reverse (3024002101), we get a palindrome (4036006304).

The spelling of 1012004203 in words is "one billion, twelve million, four thousand, two hundred three".